
Human Activity Will Heat Alaskan Skies—Deliberately and Picturesquely
This week powerful radio waves will disturb the ionosphere to probe satellite disruptions and create strange glows

This week powerful radio waves will disturb the ionosphere to probe satellite disruptions and create strange glows


A movement to privatize Earth-observing satellites is gaining ground

Scientific American executive editor Fred Guterl talks with Pres. Obama’s science advisor, John Holdren, about climate science, space travel, the issue of reproducibility in science, the brain initiative and more...

Barbara Kiser, books and arts editor at Nature, talks about her favorite science books of 2016, especially three works about the little-known history of women mathematicians.

In a Christmas tradition, the defense organization NORAD helps us keep track of Santa as he zips around the world delivering toys.

He hasn't said much, but his influence on the industry could be profound

NOAA storm scientists describe their harrowing trips into a swirling chaos of rain, dust, salt and bacteria

Gauntlet is now thrown down to maritime and land transportation

Reported in Scientific American, this Week in World War I: September 30, 1916

Virtual towers located miles away from airports would be far more cost-efficient and—in principle, at least—just as safe

The recent SpaceX launchpad explosion is a reminder that rocketry is tricky, but also remarkable for accomplishing as much as it does

Reported in Scientific American, this Week in World War I: September 2, 1916

Reported in Scientific American, this Week in World War I: August 12, 1916

Perlan mission will surf stratospheric waves and conduct atmospheric research

Military aviators learn to second-guess their senses

It features a modular airplane cabin that will help engineers scientifically determine future layouts

Craft due to launch in August is first in a wave of planned quantum space experiments


Mission scientists are investigating what caused a suspension the Mars rover's activities on July 2
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